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NeTakaya
4 years ago
8

The mass of Earth’s Moon is about 7 X 10 to the 22 power kilograms. The Mass of Jupiter is about 1.89 x 10 to the 27 Power Kilog

rams. how many times the mass of Earth’s Moon?
Mathematics
2 answers:
maksim [4K]4 years ago
8 0

Answer:

2.025

⋅

10

20

,

0.002759          

Step-by-step explanation:

F

=

G

(

m

1

)

(

m

2

)

r

2

F

=

(

6.67300

×

10

−

11

)

(

7.34

⋅

10

22

k

g

)

5.97

⋅

10

24

k

g

(

3.8

⋅

10

8

m

)

2

=

2.025

⋅

10

20

monitta4 years ago
3 0

Answer:

27,000 times.

Step-by-step explanation:

We have been given that the mass of Earth’s Moon is about 7\times 10^{22} kilograms. The Mass of Jupiter is about 1.89\times 10^{27} kilograms.  

To solve our given problem, we will divide mass of Jupiter by mass of Earth's moon.

\frac{1.89\times 10^{27}}{7\times 10^{22}}

Using property \frac{a^m}{a^n}=a^{m-n}, we will get:

\frac{1.89}{7}\times 10^{27-22}

0.27\times 10^{5}

0.27\times 100000

27,000

Therefore, the mass of Jupiter is 27,000 times the mass of Earth’s Moon.

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Write an appropriate direct variation equation if y = 18 when x = 2
Sergeu [11.5K]

Answer:

y=9x

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form k=\frac{y}{x} or y=kx

In this problem we have

y=18 when x=2

Find the value of the constant of proportionality k

k=\frac{y}{x} ----> k=\frac{18}{2}=9

therefore

The equation is equal to

y=9x

8 0
3 years ago
Find the area of the triangle with vertices: q(3,-4,-5), r(4,-1,-4), s(3,-5,-6).
maw [93]

Answer:

  (√6)/2 square units

Step-by-step explanation:

The area of a triangle is half the magnitude of the cross product of the vectors representing adjacent sides.

  QR = (4-3, -1-(-4), -4-(-5)) = (1, 3, 1)

  QS = (3 -3, -5-(-4), -6-(-5)) = (0, -1, -1)

The cross product is the determinant ...

\text{det}\left|\begin{array}{ccc}i&j&k\\1&3&1\\0&-1&-1\end{array}\right|=-2i+j-k

The magnitude of this is ...

  |QR × QS| = √((-2)² +1² +(-1)²) = √6

The area of the triangle is half this value:

  Area = (1/2)√6 . . . . square units

3 0
3 years ago
A student is asked to solve the equation below and to justify her/his steps. Identify what, if anything, is incorrect in her/his
snow_tiger [21]
The - number has to t o be more then 6 in order to get -10. Answer= -16
3 0
3 years ago
Solve the given equation for x. <br>-9x=-27
Artemon [7]
The answer to your problem is x=3
5 0
3 years ago
Read 2 more answers
-2(3x+9)=-54<br><br> AND 2(3x+4) -3x=35 <br><br> SHOW WORK PLEASE
Naily [24]

Answer:

1. x=6

2. x=9

Step-by-step explanation:

1.

-2(3x+9)=-54\\-6x-18=-54\\+18 +18\\-6x=-36\\\frac{-6x}{-6} = \frac{-36}{-6}\\x=6

2.

2(3x+4)-3x=35\\6x+8-3x=35\\3x+8=35\\-8 -8\\3x=27\\\frac{3x}{3} =\frac{27}{3} \\x=9

<u>Written Explanation: </u>

1.

-2x(3x+9)=-54

-6x-`8=54 (Distributive property)

Add 18 to both sides

-6x=-36

Divide both sides by -6 (negative divided by a negative equals a positive)

x=6

2.

2(3x+4)-3x=35

6x+8-3x=35 (distributive property)

3x+8=35 (combine Iike terms and then subtract them 6x-3x=3x)

Subtract 8 from both sides

3x=27

Divide both sides by 3

x=9

5 0
3 years ago
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